US20230393926A1 - BIOS Error Locating Method and Apparatus, Device and Non-Volatile Storage Medium - Google Patents
BIOS Error Locating Method and Apparatus, Device and Non-Volatile Storage Medium Download PDFInfo
- Publication number
- US20230393926A1 US20230393926A1 US18/256,806 US202118256806A US2023393926A1 US 20230393926 A1 US20230393926 A1 US 20230393926A1 US 202118256806 A US202118256806 A US 202118256806A US 2023393926 A1 US2023393926 A1 US 2023393926A1
- Authority
- US
- United States
- Prior art keywords
- target
- base address
- error
- function
- address
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 76
- 230000008569 process Effects 0.000 claims abstract description 36
- 230000004044 response Effects 0.000 claims abstract description 24
- 230000006870 function Effects 0.000 claims description 128
- 230000015654 memory Effects 0.000 claims description 23
- 238000012795 verification Methods 0.000 claims description 14
- 238000013507 mapping Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 7
- 238000012827 research and development Methods 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 3
- 230000014509 gene expression Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
- G06F11/0766—Error or fault reporting or storing
- G06F11/0778—Dumping, i.e. gathering error/state information after a fault for later diagnosis
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
- G06F11/079—Root cause analysis, i.e. error or fault diagnosis
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
- G06F11/0706—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation the processing taking place on a specific hardware platform or in a specific software environment
- G06F11/0745—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation the processing taking place on a specific hardware platform or in a specific software environment in an input/output transactions management context
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/34—Recording or statistical evaluation of computer activity, e.g. of down time, of input/output operation ; Recording or statistical evaluation of user activity, e.g. usability assessment
- G06F11/3466—Performance evaluation by tracing or monitoring
Definitions
- the present disclosure relates to the technical field of computers, and in particular to a Basic Input Output System (BIOS) error locating method and apparatus, a computer device and a non-volatile storage medium.
- BIOS Basic Input Output System
- BIOS research and development personnel are required to handle, locate and solve the problems.
- the research and development personnel mainly analyze and locate the problems with the help of a Serial Log.
- the cause of the crash may be checked in the Serial Log of the BIOS.
- error reporting information such as ERROR/ASSERT/EXCEPTION is found in the Serial Log, it means that there are some logical problems in the codes of the BIOS, and thus the research and development personnel need to locate and search for the cause of the problem, so as to solve the problem.
- the error reporting information such as ERROR/ASSERT/EXCEPTION is automatically recorded in the Serial Log of the BIOS.
- BIOS error locating method includes:
- executing the Exception handling function, so as to determine, according to the base address log file and the one or more MAP files, the target function that results in the EXCEPTION error includes:
- comparing the routing information protocol value with the values in the base address column in the base address log file, so as to determine the target base address includes:
- verifying the target MAP file by using the target base address and the target entry address includes:
- determining the target function and a name corresponding to the target function according to the routing information protocol value, the target base address and the target MAP file includes:
- the method may further include:
- the method may further include:
- BIOS error locating apparatus includes:
- a computer device is further provided, wherein the computer device includes a memory and one or more processors, computer-readable instructions are stored in the memory, and when the computer-readable instructions are executed by the processor, the one or more processors execute the following operations:
- One or more non-volatile storage media storing computer-readable instructions, wherein the computer-readable instructions, when being executed by one or more processors, cause the one or more processors to execute the following operations:
- FIG. 1 is a diagram of an application scenario of a BIOS error locating method provided according to one or more embodiments of the present disclosure
- FIG. 2 is a schematic flowchart of a BIOS error locating method provided according to one or more embodiments of the present disclosure
- FIG. 3 is an overall implementation flowchart of a BIOS error locating method provided in another embodiment of the present disclosure
- FIG. 4 is a schematic flowchart of executing an Exception handling function to determine a target function provided in yet another embodiment of the present disclosure
- FIG. 4 a is a schematic diagram of file content of a base address log file (IB.log) provided in another embodiment of the present disclosure
- FIG. 4 b is a schematic diagram of content of a certain piece of EXCEPTION error information provided in another embodiment of the present disclosure
- FIG. 4 c is a schematic diagram of content of a certain MAP file provided in another embodiment of the present disclosure.
- FIG. 5 is a schematic structural diagram of a BIOS error locating apparatus provided in another embodiment of the present disclosure.
- FIG. 6 is a block diagram of an internal structure of a computer device in another embodiment of the present disclosure.
- a BIOS error locating method provided in the embodiments of the present disclosure may be applied to an application environment shown in FIG. 1 .
- a terminal 102 communicates with a server 104 through a network.
- the terminal 102 may be, but is not limited to, various personal computers, notebook computers, smart phones, tablet computers or portable wearable devices, and the server 104 may be implemented by using an independent server or a server cluster composed of a plurality of servers.
- the embodiment of the present disclosure provides a BIOS error locating method, which is described taking the implementation of the method to the server in FIG. 1 as an example. As shown in FIG. 2 , the method includes the following operations S 100 to S 400 .
- MAP files which are generated during a compilation process of a BIOS and used for recording an entry address offset of each function are acquired.
- the MAP file is one of file formats, and the MAP file is a mapping file which is generated after compilation by compilation software and records all programs, data and Input/Output (IO) spaces used by a Digital Signal Processor (DSP).
- An entry address is denoted as EntryPoint, which refers to an address in a memory during execution of a function module.
- a base address of each function module after the BIOS is started is recorded, so as to obtain a base address log file.
- the base address is an ImageBase, which is an address of a code after the code is loaded into a memory.
- the ImageBase of each executed function module and the size of the ImageBase are recorded in a special log which has a file name of, for example, IB.log.
- an Exception handling function is executed so as to determine, according to the base address log file and the one or more MAP files, a target function that results in the EXCEPTION error.
- a name of the target function is recorded in a serial log, and the serial log is sent to a BMC.
- the BIOS error locating method one or more MAP files which are generated during the compilation process of the BIOS and used for recording the entry address offset of each function are acquired, the base address of each function module after the BIOS is started is recorded so as to obtain the base address log file, when the EXCEPTION error occurs, the Exception handling function is executed to determine, according to the base address log file and the one or more MAP files, the target function that results in the EXCEPTION error, the name of the target function is recorded in the serial log, and the serial log is sent to the BMC.
- the function resulting in the EXCEPTION error is automatically analyzed and recorded, the efficiency of solving the EXCEPTION-type error may be improved, and the BIOS error locating time may be shortened.
- the operation S 300 may include the following sub-operations S 310 to S 350 .
- EXCEPTION error information is acquired and parsed, so as to obtain a routing information protocol value, wherein the routing information protocol value is denoted as an RIP value.
- the routing information protocol value is compared with values in a base address column in the base address log file, so as to determine a target base address.
- a target entry address and a target MAP file are determined according to the routing information protocol value and a preset PE specification.
- PE refers to Portable Executable (i.e., a portable executable file), which is an executable format utilized by Microsoft.
- the preset PE specification refers to “Microsoft PE COFF Specification”, and according to the specification for a PE Image in the preset PE specification, the PE Image may be parsed by an existing function, so as to obtain the EntryPoint of the function module and the MAP file name corresponding to the PE Image.
- the target MAP file is verified by using the target base address and the target entry address.
- the target function and a name corresponding to the target function are determined according to the routing information protocol value, the target base address and the target MAP file.
- the foregoing operation S 320 may include the following sub-operations S 321 to S 322 .
- the first base address greater than the routing information protocol value among the values in the base address column in the base address log file is used as a reference base address.
- a previous base address of the reference base address in the base address log file is acquired as the target base address.
- the foregoing operation S 340 may include the following sub-operations S 341 to S 343 .
- a first difference value between the target entry address and the target base address is calculated.
- the first difference value is matched with the entry address offset in the target MAP file.
- the foregoing operation S 350 may include the following sub-operations S 351 to S 353 .
- a second difference value between the routing information protocol value and the target base address is calculated.
- the first value greater than the second difference value among values in an address column in the target MAP file is used as a reference entry offset address.
- a function corresponding to a previous entry offset address of the reference entry offset address in the target MAP file is used as the target function, and the name corresponding to the target function is read.
- the method may further include the following operation S 510 .
- an ERROR function and/or an ASSERT function which results in the ERROR error and/or the ASSERT error is recorded in the serial log.
- the method may further include the following operations S 520 and S 530 .
- the serial log is acquired from the BMC.
- the serial log is parsed to respectively determine functions which result in the EXCEPTION error, the ERROR error, and/or the ASSERT error.
- a server architecture of an Intel platform is taken as an example for illustration of the method. It should be noted that the method is not limited to be applied on the server of the Intel platform or a server system, and may also be applied on server systems of other platforms or other computer systems. As shown in FIG. 3 and FIG. 4 , the BIOS error locating method may include the following exemplary implementation operations 1 to 6 .
- a base address and a size of each executed module are recorded in a base address log file (for example, in a special log file having a file name of IB.log).
- a base address log file for example, in a special log file having a file name of IB.log.
- the IB.log file includes the following information from left to right: serial number, base address, module size and module name.
- an Exception handling function is executed.
- the process of executing the Exception handling function includes the following operations 31 to 37 .
- FIG. 4 b shows the EXCEPTION error information, which includes the RIP value corresponding to the EXCEPTION error.
- the RIP value (i.e., the value in A, referred to as A value hereinafter) is compared with values in an Imagebase column in the IB.log file one by one, so as to find the first value greater than the RIP value, and a previous value of the found value is stored in B as a target base address.
- the PE Image is parsed through an existing function, so as to find a target entry address of the function module and a target MAP file name corresponding to the PE Image, and the target entry address value is stored in C.
- the target MAP file found in operation 34 is opened, an offset address of the EntryPoint relative to the ImageBase is calculated according to the target entry address value C ⁇ the target base address B, the offset address is denoted as a first difference value D, the first difference value D is compared with an EntryPoint offset in the target MAP file, when there is a same value as the first difference value in the target MAP file, it confirms that the target MAP file found in operation 34 is correct, and the next operation may be performed. Specific reference may be made to the content of a certain MAP file shown in FIG. 4 c.
- an offset value between the RIP value and the target base address B is calculated, the offset value is denoted as a second difference value, the second difference value is stored in E, the first value greater than the second difference value E is searched in an address column in the target MAP file, and a function corresponding to a previous value of the found value is the function that results in the EXCEPTION error.
- the function name is recorded in a Serial Log, and crash information is sent to the BMC.
- operation 4 the execution results of operation 31 to operation 37 are recorded in the Serial Log of the BIOS.
- the Serial Log is sent to the BMC and is stored by the BMC.
- the function that results in the EXCEPTION error reporting is located and recorded according to the existing RIP information is combination with MAP information recorded in the BIOS execution process, thereby realizing automatic problem analysis and locating, improving the efficiency of solving the EXCEPTION error, and shortening the locating time of the BIOS error.
- BIOS error locating apparatus 60 wherein the apparatus includes:
- BIOS error locating apparatus may be implemented by software, hardware and a combination thereof.
- the above modules may be embedded into or independent of a processor in a computer device in the form of hardware, and may also be stored in a memory in the computer device in the form of software, so that the processor calls corresponding operations for executing the above modules.
- a computer device may be a server, and an internal structure diagram thereof is shown in FIG. 6 .
- the computer device includes a processor, a memory, a network interface and a database, which are connected by a system bus.
- the processor of the computer device is used for providing computing and control capabilities.
- the memory of the computer device includes a non-volatile storage medium and an internal memory.
- the non-volatile storage medium stores an operating system, a computer-readable instruction and a database.
- the internal memory provides an environment for the operation of the operating system and the computer-readable instruction in the non-volatile storage medium.
- the database of the computer device is used for storing data.
- the network interface of the computer device is used for communicating with an external terminal through a network connection. When executed by the processor, the computer-readable instruction implements the above BIOS error locating method.
- the computer device includes a memory and one or more processors, wherein computer-readable instructions are stored in the memory, and when the computer-readable instructions are executed by the processor, the one or more processors execute the above method.
- one or more non-volatile storage media storing computer-readable instructions
- the computer-readable instructions when being executed by one or more processors, cause the one or more processors to execute the above method.
- the computer-readable instructions when being executed by one or more processors, cause the one or more processors to execute the above method.
- Those having ordinary skill in the art may understand that all or some processes in the methods in the foregoing embodiments may be implemented by computer-readable instructions instructing related hardware, and the computer-readable instructions may be stored in a non-volatile computer-readable storage medium, and when executed, the computer-readable instructions may include the processes of the embodiments of the foregoing methods.
- Any reference to the memory, the storage, the database or other media used in the embodiments provided in the present disclosure may include non-volatile and/or volatile memories.
- the non-volatile memory may include a Read-Only Memory (ROM), a Programmable ROM (PROM), an Electrically Programmable ROM (EPROM), an Electrically Erasable Programmable ROM (EEPROM), or a flash memory.
- ROM Read-Only Memory
- PROM Programmable ROM
- EPROM Electrically Programmable ROM
- EEPROM Electrically Erasable Programmable ROM
- flash memory a flash memory.
- the volatile memory may include a Random Access Memory (RAM) or an external cache.
- the RAM may be available in various forms, such as a Static RAM (SRAM), a Dynamic RAM (DRAM), a Synchronous DRAM (SDRAM), a Dual-Data Rate SDRAM (DDRSDRAM), an Enhanced SDRAM (ESDRAM), a Synchlink DRAM (SLDRAM), a memory bus (Rambus) Direct RAM (RDRAM), a Direct memory bus (Rambus) Dynamic RAM (DRDRAM), and a memory bus (Rambus) Dynamic RAM (RDRAM), etc.
- SRAM Static RAM
- DRAM Dynamic RAM
- SDRAM Synchronous DRAM
- DDRSDRAM Dual-Data Rate SDRAM
- ESDRAM Enhanced SDRAM
- SLDRAM Synchlink DRAM
- RDRAM Direct RAM
- DRAM Direct memory bus
- DRAM Dynamic RAM
- RDRAM Dynamic RAM
- RDRAM Dynamic RAM
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Computer Hardware Design (AREA)
- Debugging And Monitoring (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011447497.3A CN112463431B (zh) | 2020-12-11 | 2020-12-11 | 一种bios错误定位方法、装置、设备及存储介质 |
CN202011447497.3 | 2020-12-11 | ||
PCT/CN2021/127324 WO2022121548A1 (zh) | 2020-12-11 | 2021-10-29 | 一种bios错误定位方法、装置、设备及非易失性存储介质 |
Publications (2)
Publication Number | Publication Date |
---|---|
US20230393926A1 true US20230393926A1 (en) | 2023-12-07 |
US12032436B2 US12032436B2 (en) | 2024-07-09 |
Family
ID=74801852
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US18/256,806 Active US12032436B2 (en) | 2020-12-11 | 2021-10-29 | BIOS error locating method and apparatus, device and non-volatile storage medium |
Country Status (3)
Country | Link |
---|---|
US (1) | US12032436B2 (zh) |
CN (1) | CN112463431B (zh) |
WO (1) | WO2022121548A1 (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112463431B (zh) | 2020-12-11 | 2022-07-19 | 苏州浪潮智能科技有限公司 | 一种bios错误定位方法、装置、设备及存储介质 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20180321947A1 (en) * | 2016-01-25 | 2018-11-08 | Hewlett-Packard Development Company, L.P. | Protecting basic input/output (bios) code |
US20190196575A1 (en) * | 2017-12-22 | 2019-06-27 | Dell Products, L.P. | Systems and methods for remotely applying battery management policies based on local user behavior |
US20200364339A1 (en) * | 2019-05-17 | 2020-11-19 | Dell Products, Lp | System and Method for Storing Operating Life History on a Non-volatile Dual Inline Memory Module |
US20210263868A1 (en) * | 2020-02-24 | 2021-08-26 | Dell Products, Lp | System and method to reduce host interrupts for non-critical errors |
US20210286692A1 (en) * | 2020-03-16 | 2021-09-16 | Quanta Computer Inc. | Method and system for optimal boot path for a network device |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10275299B2 (en) * | 2017-02-02 | 2019-04-30 | International Business Machines Corporation | Efficient transfer of data from CPU to onboard management device |
CN109086155A (zh) * | 2018-07-27 | 2018-12-25 | 郑州云海信息技术有限公司 | 服务器故障定位方法、装置、设备及计算机可读存储介质 |
CN111309506B (zh) * | 2020-02-12 | 2024-09-20 | 中国平安人寿保险股份有限公司 | 一种编译错误的定位方法、设备、服务器及可读存储介质 |
CN111737039A (zh) * | 2020-06-19 | 2020-10-02 | 广东浪潮大数据研究有限公司 | 一种错误信息辅助提取方法、装置、设备及可读存储介质 |
CN111831466A (zh) * | 2020-07-17 | 2020-10-27 | 深圳市同泰怡信息技术有限公司 | 一种系统设备报错的方法、装置、存储介质和计算机设备 |
CN112463431B (zh) * | 2020-12-11 | 2022-07-19 | 苏州浪潮智能科技有限公司 | 一种bios错误定位方法、装置、设备及存储介质 |
-
2020
- 2020-12-11 CN CN202011447497.3A patent/CN112463431B/zh active Active
-
2021
- 2021-10-29 US US18/256,806 patent/US12032436B2/en active Active
- 2021-10-29 WO PCT/CN2021/127324 patent/WO2022121548A1/zh active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20180321947A1 (en) * | 2016-01-25 | 2018-11-08 | Hewlett-Packard Development Company, L.P. | Protecting basic input/output (bios) code |
US20190196575A1 (en) * | 2017-12-22 | 2019-06-27 | Dell Products, L.P. | Systems and methods for remotely applying battery management policies based on local user behavior |
US20200364339A1 (en) * | 2019-05-17 | 2020-11-19 | Dell Products, Lp | System and Method for Storing Operating Life History on a Non-volatile Dual Inline Memory Module |
US20210263868A1 (en) * | 2020-02-24 | 2021-08-26 | Dell Products, Lp | System and method to reduce host interrupts for non-critical errors |
US20210286692A1 (en) * | 2020-03-16 | 2021-09-16 | Quanta Computer Inc. | Method and system for optimal boot path for a network device |
Also Published As
Publication number | Publication date |
---|---|
WO2022121548A1 (zh) | 2022-06-16 |
CN112463431B (zh) | 2022-07-19 |
CN112463431A (zh) | 2021-03-09 |
US12032436B2 (en) | 2024-07-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US10460099B2 (en) | System and method of detecting malicious code in files | |
WO2020186786A1 (zh) | 文件处理方法、装置、计算机设备和存储介质 | |
CN109445861B (zh) | 系统启动方法、装置、计算机装置及存储介质 | |
US9104797B1 (en) | Efficient cloud-based annotation of crash reports | |
US20210133146A1 (en) | Method for processing snapshots and distributed block storage system | |
WO2015131804A1 (en) | Call stack relationship acquiring method and apparatus | |
EP3220307A1 (en) | System and method of performing an antivirus scan of a file on a virtual machine | |
US11099889B2 (en) | Method-call-chain tracking method, electronic device, and computer readable storage medium | |
CN110851351A (zh) | 部署环境测试方法、装置、计算机设备及存储介质 | |
CN113254294B (zh) | 设备重启检测方法及装置 | |
CN111290919A (zh) | 日志文件生成方法、装置、计算机设备和存储介质 | |
US20230393926A1 (en) | BIOS Error Locating Method and Apparatus, Device and Non-Volatile Storage Medium | |
CN111124872A (zh) | 基于差异代码分析的分支检测方法、装置及存储介质 | |
WO2020211233A1 (zh) | 批量数据编辑方法、装置、计算机设备及存储介质 | |
CN114328017A (zh) | 一种数据库备份方法、系统、计算机设备和存储介质 | |
CN114385418A (zh) | 通信设备的保护方法、装置、设备和存储介质 | |
CN112905378A (zh) | 崩溃信息解析方法、装置、电子设备和可读存储介质 | |
CN111045983B (zh) | 核电站电子文件管理方法、装置、终端设备及介质 | |
CN115292201B (zh) | 函数调用栈解析和回溯方法与装置 | |
CN111352631A (zh) | 一种接口兼容性检测方法及装置 | |
CN113626108B (zh) | webpack的辅助配置方法、装置、设备和存储介质 | |
CN115048645A (zh) | 超范围采集隐私信息的检测方法、装置、设备及介质 | |
CN110471623B (zh) | 硬盘文件写入方法、装置、计算机设备和存储介质 | |
CN114330278A (zh) | 一种判断返回数据一致性的方法及设备 | |
EP3293660A1 (en) | System and method of detecting malicious code in files |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: INSPUR SUZHOU INTELLIGENT TECHNOLOGY CO., LTD., CHINA Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:ZHANG, HONGBO;XU, ZHIYUAN;WANG, BING;AND OTHERS;REEL/FRAME:063911/0518 Effective date: 20230511 |
|
FEPP | Fee payment procedure |
Free format text: ENTITY STATUS SET TO UNDISCOUNTED (ORIGINAL EVENT CODE: BIG.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
|
STPP | Information on status: patent application and granting procedure in general |
Free format text: NON FINAL ACTION MAILED |
|
STPP | Information on status: patent application and granting procedure in general |
Free format text: RESPONSE TO NON-FINAL OFFICE ACTION ENTERED AND FORWARDED TO EXAMINER |
|
STPP | Information on status: patent application and granting procedure in general |
Free format text: NOTICE OF ALLOWANCE MAILED -- APPLICATION RECEIVED IN OFFICE OF PUBLICATIONS |
|
STPP | Information on status: patent application and granting procedure in general |
Free format text: PUBLICATIONS -- ISSUE FEE PAYMENT VERIFIED |
|
STCF | Information on status: patent grant |
Free format text: PATENTED CASE |